Hi, Thanks for your feature request.

This looks like a duplicate of https://forum.vivaldi.net/topic/53798/open-saved-sessions-on-startup Please vote & discuss at that thread, thank you.

You can use the forum search first to see if you can find similar requests. If that doesn't work, I've catalogued all the requests here.

I would open another thread but I checked this one for it:

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Selected tabs in windows manager saved as session

It seems silly but the context menu for Windows Manager and Tab Bar are different, I mean, doesn't have all the options, then..

@rotfl said in Save Selected Tabs as a Session:

I would also like option to save these tabs as session and close / remove them from current window. It could drastically improve my workflow

Really this would make us saving our time

@waterfire I am also a long time Firefox user who has switched to Vivaldi.
There is nothing better than Session Manager by Morac for Firefox. It automatically makes session backups, and restores them superbly.

As far as I know, Vivaldi only has a manual session backup, so that is useless for me.
Session Buddy is what I use. It is nowhere near as good as Session Manager by Morac for Firefox, but at least it makes automatic session backups.

"Startup with last session" works for me on latest snapshot on osx 10.11.6.
You can try a reset, to see if the problem persists on a fresh profile. But backup your original profile first, look up the path here -- vivaldi://about/

Are you using web pages that have non-english characters in them like cyrillic, etc? In that case - these are responsible for the loss - get 1.10 build and it is fixed, just confirmed working for me.

@luetage said in NO recovery for lost sessions with tabs:

@violin1 Happens from time to time. Especially if you have a large number of tabs open you depend on, you should save your open tabs as session regularly.

Never needed any of that with FireFox with mozilla's own Session Manager plugin. Even if the HDD space ran out for some reason, there was always the previously saved session - it wasn't overwritten before the new one was succesfully returned. Since obviously both FireFox and Vivaldi save the session periodically, as both have been able to return previous tabs even after sudden crash - but I just lost my session, because something that wasn't application I had launched was consuming quite fast (1-2 minutes a gigabyte). I ran out and neither FireFox (which doesn't support Legacy plugins and Session Saver hasn't been ported to it, so it's just it's built-in last-session restore) nor Vivaldi could anymore write the session into disk. However Firefox did return all except one tab, because it had kept the previously saved session as the latest writes failed. Apparently Vivaldi did something else and would only had had a session to restore if it had been succesfully written to disk.

This is not just a feature of being able to close browser without losing tabs, but also an important safety feature for crashes, memory running out and vivaldi getting killed by kernel, or my very special case; but people running out of disk space accidentally is not rare, if not most common they still are a considerable amount of users. Anyone who thinks it's possible that he could accidentally fill the HD before realizing, and if they were Vivaldi users and it or the OS crashed, they would except to get at least fairly recent session back. I'm talking of power users of course, which are your core market group.

This is an issue waiting for fixing - because this is a defect for a power user - and I don't know how you didn't think of the case where the session backup save fails, and that the only reasonable choice is to keep the last succcesfully saved session instead - and keep trying to save again, until hopefully writdng succeeds again.

If you're at Vivaldi are anything like I have understood, you would certainly realize that this is a fundamental requirement for browser power user 🙂